// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic, Robbbert /*************************************************************************** MC-80.20 driver by Miodrag Milanovic 2009-05-12 Skeleton driver. 2009-05-15 Initial implementation 2011-09-01 Modernised, added a keyboard ToDo: - Find out if it has sound hardware, add if so - What port B on PIO is for - Find out the correct frequencies and connections for the CTC ****************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "machine/z80daisy.h" #include "machine/z80ctc.h" #include "machine/z80pio.h" #include "emupal.h" #include "screen.h" class mc8020_state : public driver_device { public: mc8020_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_p_videoram(*this, "videoram") , m_maincpu(*this, "maincpu") , m_keyboard(*this, "X%u", 0) { } void mc8020(machine_config &config); private: DECLARE_READ8_MEMBER(port_b_r); DECLARE_WRITE8_MEMBER(port_a_w); DECLARE_WRITE8_MEMBER(port_b_w); uint32_t screen_update_mc8020(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); void io_map(address_map &map); void mem_map(address_map &map); u8 m_row; required_shared_ptr m_p_videoram; required_device m_maincpu; required_ioport_array<7> m_keyboard; }; void mc8020_state::mem_map(address_map &map) { map.unmap_value_high(); map(0x0000, 0x0bff).rom(); map(0x0c00, 0x0fff).ram().share("videoram");// 1KB RAM ZRE map(0x2000, 0x5fff).rom(); map(0x6000, 0xffff).ram(); } void mc8020_state::io_map(address_map &map) { map.unmap_value_high(); map.global_mask(0xff); map(0xf0, 0xf3).rw("ctc", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); map(0xf4, 0xf7).rw("pio", FUNC(z80pio_device::read_alt), FUNC(z80pio_device::write_alt)); } /* Input ports */ static INPUT_PORTS_START( mc8020 ) PORT_START("X0") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('!') PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('@') PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('#') PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('$') PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('%') PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('&') PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('\'') PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('(') PORT_START("X1") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('9') PORT_CHAR(')') PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('0') PORT_CHAR('\"') PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('+') PORT_CHAR('*') PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('^') PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':') PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('/') PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') PORT_START("X2") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_START("X3") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_START("X4") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_START("X5") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('?') PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR(']') PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TAB) PORT_CHAR(9) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) PORT_START("X6") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_UP) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ESC) PORT_CHAR(27) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DOWN) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_RIGHT) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LEFT) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) INPUT_PORTS_END READ8_MEMBER( mc8020_state::port_b_r ) { if (m_row == 0x40) return m_keyboard[0]->read(); else if (m_row == 0x20) return m_keyboard[1]->read(); else if (m_row == 0x10) return m_keyboard[2]->read(); else if (m_row == 0x08) return m_keyboard[3]->read(); else if (m_row == 0x04) return m_keyboard[4]->read(); else if (m_row == 0x02) return m_keyboard[5]->read(); else if (m_row == 0x01) return m_keyboard[6]->read(); else return 0; } WRITE8_MEMBER( mc8020_state::port_a_w ) { m_row = data; } WRITE8_MEMBER( mc8020_state::port_b_w ) { } // This is not a content of U402 510 // but order is fine static const uint8_t prom[] = { 0x0c,0x11,0x13,0x15,0x17,0x10,0x0e,0x00, // @ 0x04,0x0a,0x11,0x11,0x1f,0x11,0x11,0x00, // A 0x1e,0x11,0x11,0x1e,0x11,0x11,0x1e,0x00, // B 0x0e,0x11,0x10,0x10,0x10,0x11,0x0e,0x00, // C 0x1e,0x09,0x09,0x09,0x09,0x09,0x1e,0x00, // D 0x1f,0x10,0x10,0x1e,0x10,0x10,0x1f,0x00, // E 0x1f,0x10,0x10,0x1e,0x10,0x10,0x10,0x00, // F 0x0e,0x11,0x10,0x10,0x13,0x11,0x0f,0x00, // G 0x11,0x11,0x11,0x1f,0x11,0x11,0x11,0x00, // H 0x0e,0x04,0x04,0x04,0x04,0x04,0x0e,0x00, // I 0x01,0x01,0x01,0x01,0x11,0x11,0x0e,0x00, // J 0x11,0x12,0x14,0x18,0x14,0x12,0x11,0x00, // K 0x10,0x10,0x10,0x10,0x10,0x10,0x1f,0x00, // L 0x11,0x1b,0x15,0x15,0x11,0x11,0x11,0x00, // M 0x11,0x11,0x19,0x15,0x13,0x11,0x11,0x00, // N 0x0e,0x11,0x11,0x11,0x11,0x11,0x0e,0x00, // O 0x1e,0x11,0x11,0x1e,0x10,0x10,0x10,0x00, // P 0x0e,0x11,0x11,0x11,0x15,0x12,0x0d,0x00, // Q 0x1e,0x11,0x11,0x1e,0x14,0x12,0x11,0x00, // R 0x0e,0x11,0x10,0x0e,0x01,0x11,0x0e,0x00, // S 0x1f,0x04,0x04,0x04,0x04,0x04,0x04,0x00, // T 0x11,0x11,0x11,0x11,0x11,0x11,0x0e,0x00, // U 0x11,0x11,0x11,0x0a,0x0a,0x04,0x04,0x00, // V 0x11,0x11,0x11,0x15,0x15,0x15,0x0a,0x00, // W 0x11,0x11,0x0a,0x04,0x0a,0x11,0x11,0x00, // X 0x11,0x11,0x0a,0x04,0x04,0x04,0x04,0x00, // Y 0x1f,0x01,0x02,0x04,0x08,0x10,0x1f,0x00, // Z 0x1c,0x10,0x10,0x10,0x10,0x10,0x1c,0x00, // [ 0x00,0x10,0x08,0x04,0x02,0x01,0x00,0x00, // backslash 0x07,0x01,0x01,0x01,0x01,0x01,0x07,0x00, // ] 0x0e,0x11,0x00,0x00,0x00,0x00,0x00,0x00, // ^ 0x00,0x00,0x00,0x00,0x00,0x00,0x1f,0x00, // _ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // 0x04,0x04,0x04,0x04,0x04,0x00,0x04,0x00, // ! 0x0a,0x0a,0x0a,0x00,0x00,0x00,0x00,0x00, // " 0x0a,0x0a,0x1f,0x0a,0x1f,0x0a,0x0a,0x00, // # 0x00,0x11,0x0e,0x0a,0x0e,0x11,0x00,0x00, // [] 0x18,0x19,0x02,0x04,0x08,0x13,0x03,0x00, // % 0x04,0x0a,0x0a,0x0c,0x15,0x12,0x0d,0x00, // & 0x04,0x04,0x08,0x00,0x00,0x00,0x00,0x00, // ' 0x02,0x04,0x08,0x08,0x08,0x04,0x02,0x00, // ( 0x08,0x04,0x02,0x02,0x02,0x04,0x08,0x00, // ) 0x00,0x04,0x15,0x0e,0x15,0x04,0x00,0x00, // * 0x00,0x04,0x04,0x1f,0x04,0x04,0x00,0x00, // + 0x00,0x00,0x00,0x00,0x08,0x08,0x10,0x00, // , 0x00,0x00,0x00,0x1f,0x00,0x00,0x00,0x00, // - 0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x00, // . 0x00,0x01,0x02,0x04,0x08,0x10,0x00,0x00, // / 0x0e,0x11,0x13,0x15,0x19,0x11,0x0e,0x00, // 0 0x04,0x0c,0x04,0x04,0x04,0x04,0x0e,0x00, // 1 0x0e,0x11,0x01,0x06,0x08,0x10,0x1f,0x00, // 2 0x1f,0x01,0x02,0x06,0x01,0x11,0x0e,0x00, // 3 0x02,0x06,0x0a,0x12,0x1f,0x02,0x02,0x00, // 4 0x1f,0x10,0x1e,0x01,0x01,0x11,0x0e,0x00, // 5 0x07,0x08,0x10,0x1e,0x11,0x11,0x0e,0x00, // 6 0x1f,0x01,0x02,0x04,0x08,0x08,0x08,0x00, // 7 0x0e,0x11,0x11,0x0e,0x11,0x11,0x0e,0x00, // 8 0x0e,0x11,0x11,0x0f,0x01,0x02,0x1c,0x00, // 9 0x00,0x00,0x00,0x00,0x08,0x00,0x08,0x00, // : 0x00,0x00,0x04,0x00,0x04,0x04,0x08,0x00, // ; 0x02,0x04,0x08,0x10,0x08,0x04,0x02,0x00, // < 0x00,0x00,0x1f,0x00,0x1f,0x00,0x00,0x00, // = 0x08,0x04,0x02,0x01,0x02,0x04,0x08,0x00, // > 0x0e,0x11,0x01,0x02,0x04,0x00,0x04,0x00 // ? }; uint32_t mc8020_state::screen_update_mc8020(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { uint8_t y,ra,chr,gfx; uint16_t sy=0,ma=0,x; for(y = 0; y < 8; y++ ) { for (ra = 0; ra < 16; ra++) { uint16_t *p = &bitmap.pix16(sy++); for (x = ma; x < ma + 32; x++) { if (ra > 3 && ra < 12) { chr = m_p_videoram[x]; gfx = prom[(chr<<3) | (ra-4)]; } else gfx = 0; /* Display a scanline of a character */ *p++ = BIT(gfx, 5); *p++ = BIT(gfx, 4); *p++ = BIT(gfx, 3); *p++ = BIT(gfx, 2); *p++ = BIT(gfx, 1); *p++ = BIT(gfx, 0); } } ma+=32; } return 0; } static const z80_daisy_config daisy_chain[] = { { "ctc" }, { nullptr } }; MACHINE_CONFIG_START(mc8020_state::mc8020) /* basic machine hardware */ Z80(config, m_maincpu, XTAL(2'457'600)); m_maincpu->set_addrmap(AS_PROGRAM, &mc8020_state::mem_map); m_maincpu->set_addrmap(AS_IO, &mc8020_state::io_map); m_maincpu->set_daisy_config(daisy_chain); /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(50) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ MCFG_SCREEN_SIZE(32*6, 16*8) MCFG_SCREEN_VISIBLE_AREA(0, 32*6-1, 0, 16*8-1) MCFG_SCREEN_UPDATE_DRIVER(mc8020_state, screen_update_mc8020) MCFG_SCREEN_PALETTE("palette") PALETTE(config, "palette", palette_device::MONOCHROME); /* devices */ z80pio_device& pio(Z80PIO(config, "pio", XTAL(2'457'600))); pio.out_pa_callback().set(FUNC(mc8020_state::port_a_w)); pio.in_pb_callback().set(FUNC(mc8020_state::port_b_r)); pio.out_pb_callback().set(FUNC(mc8020_state::port_b_w)); z80ctc_device &ctc(Z80CTC(config, "ctc", XTAL(2'457'600))); ctc.intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); ctc.set_clk<2>(XTAL(2'457'600) / 64); // guess ctc.zc_callback<2>().set("ctc", FUNC(z80ctc_device::trg1)); ctc.zc_callback<2>().append("ctc", FUNC(z80ctc_device::trg0)); MACHINE_CONFIG_END /* ROM definition */ ROM_START( mc8020 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS(0, "ver1", "Version 1") ROMX_LOAD( "s01.rom", 0x0000, 0x0400, CRC(0f1c1a62) SHA1(270c0a9e8e165658f3b09d40a3e8bb3dc1b88184), ROM_BIOS(0)) ROMX_LOAD( "s02.rom", 0x0400, 0x0400, CRC(93b5811c) SHA1(8559d24072c9b5908a2627ff986d818308f51d59), ROM_BIOS(0)) ROMX_LOAD( "s03.rom", 0x0800, 0x0400, CRC(3d32c334) SHA1(56d3012595540d03054ad3c6795ed5d929581a04), ROM_BIOS(0)) ROMX_LOAD( "mo01_v2.rom", 0x2000, 0x0400, CRC(7e47201c) SHA1(db49afdc5c1fe4065a979c56cbdbd3c58f5d942f), ROM_BIOS(0)) ROM_SYSTEM_BIOS(1, "ver2", "Version 2") ROMX_LOAD( "s01.rom", 0x0000, 0x0400, CRC(0f1c1a62) SHA1(270c0a9e8e165658f3b09d40a3e8bb3dc1b88184), ROM_BIOS(1)) ROMX_LOAD( "s02_v2.rom", 0x0400, 0x0400, CRC(dd26c90a) SHA1(1108c11362fa63d21110a3b17868c1854a318c09), ROM_BIOS(1)) ROMX_LOAD( "s03_v2.rom", 0x0800, 0x0400, CRC(5b64ee7b) SHA1(3b4cbfcb8e2dedcfd4a3680c81fe6ceb2211b275), ROM_BIOS(1)) ROMX_LOAD( "mo01.rom", 0x2000, 0x0400, CRC(c65a470f) SHA1(71325fed1a342149b5efc2234ecfc8adfff0a42d), ROM_BIOS(1)) ROM_SYSTEM_BIOS(2, "ver3", "Version 3") ROMX_LOAD( "s01.rom", 0x0000, 0x0400, CRC(0f1c1a62) SHA1(270c0a9e8e165658f3b09d40a3e8bb3dc1b88184), ROM_BIOS(2)) ROMX_LOAD( "s02_v3.rom", 0x0400, 0x0400, CRC(40c7a694) SHA1(bcdf382e8dad9bb6e06d23ec018e9df55c8d8d0c), ROM_BIOS(2)) ROMX_LOAD( "s03.rom", 0x0800, 0x0400, CRC(3d32c334) SHA1(56d3012595540d03054ad3c6795ed5d929581a04), ROM_BIOS(2)) ROMX_LOAD( "mo01_v2.rom",0x2000, 0x0400, CRC(7e47201c) SHA1(db49afdc5c1fe4065a979c56cbdbd3c58f5d942f), ROM_BIOS(2)) // m02 doesn't exist on board ROM_LOAD( "mo03.rom", 0x2800, 0x0400, CRC(29685056) SHA1(39e77658fb7af5a28112341f0893e007d73c1b7a)) ROM_LOAD( "mo04.rom", 0x2c00, 0x0400, CRC(fd315b73) SHA1(cfb943ec8c884a9b92562d05f92faf06fe42ad68)) ROM_LOAD( "mo05.rom", 0x3000, 0x0400, CRC(453d6370) SHA1(d96f0849a2da958d7e92a31667178ad140719477)) ROM_LOAD( "mo06.rom", 0x3400, 0x0400, CRC(6357aba5) SHA1(a4867766f6e14e9fe66f22a6839f17c01058c8af)) ROM_LOAD( "mo07.rom", 0x3800, 0x0400, CRC(a1eb6021) SHA1(b05b63f02de89f065f337bbe54c5b48244e3a4ba)) ROM_LOAD( "mo08.rom", 0x3c00, 0x0400, CRC(8221cc32) SHA1(65e0ee4241d39d138205c88374b3bcd127e21511)) ROM_LOAD( "mo09.rom", 0x4000, 0x0400, CRC(7ad5944d) SHA1(ef2781b114277a09ce0cf2e7decfdb7c48a693e3)) ROM_LOAD( "mo10.rom", 0x4400, 0x0400, CRC(11de8c76) SHA1(b384d22506ff7e3e28bd2dcc33b7a69617eeb52a)) ROM_LOAD( "mo11.rom", 0x4800, 0x0400, CRC(370cc672) SHA1(133f6e8bfd4e1ca2e9e0a8e2342084419f895e3c)) ROM_LOAD( "mo12.rom", 0x4c00, 0x0400, CRC(a3838f2b) SHA1(e3602943700bf5068117946bf86f052f5c587169)) ROM_LOAD( "mo13.rom", 0x5000, 0x0400, CRC(88b61d12) SHA1(00dd4452b4d4191e589ab58ba924ed21b10f323b)) ROM_LOAD( "mo14.rom", 0x5400, 0x0400, CRC(2168da19) SHA1(c1ce1263167067d8be0a90604d9c29b7379a0545)) ROM_LOAD( "mo15.rom", 0x5800, 0x0400, CRC(e32f54c4) SHA1(c3d9ca2204e7adbc625cf96031acb8c1df0447c7)) ROM_LOAD( "mo16.rom", 0x5c00, 0x0400, CRC(403be935) SHA1(4e74355a78ab090ce180437156fed8e4a1d1c787)) ROM_END /* Driver */ // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 198?, mc8020, 0, 0, mc8020, mc8020, mc8020_state, empty_init, "VEB Elektronik Gera", "MC-80.21/22", MACHINE_NO_SOUND )